JP2004190673A5 - - Google Patents

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Publication number
JP2004190673A5
JP2004190673A5 JP2003406756A JP2003406756A JP2004190673A5 JP 2004190673 A5 JP2004190673 A5 JP 2004190673A5 JP 2003406756 A JP2003406756 A JP 2003406756A JP 2003406756 A JP2003406756 A JP 2003406756A JP 2004190673 A5 JP2004190673 A5 JP 2004190673A5
Authority
JP
Japan
Prior art keywords
pocket
turbine
dovetail
hooks
bucket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2003406756A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004190673A (ja
JP3977798B2 (ja
Filing date
Publication date
Priority claimed from US10/310,855 external-priority patent/US6840740B2/en
Application filed filed Critical
Publication of JP2004190673A publication Critical patent/JP2004190673A/ja
Publication of JP2004190673A5 publication Critical patent/JP2004190673A5/ja
Application granted granted Critical
Publication of JP3977798B2 publication Critical patent/JP3977798B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP2003406756A 2002-12-06 2003-12-05 タービンロータ用のバケットダブテール設計 Expired - Lifetime JP3977798B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/310,855 US6840740B2 (en) 2002-12-06 2002-12-06 Bucket dovetail design for turbine rotors

Publications (3)

Publication Number Publication Date
JP2004190673A JP2004190673A (ja) 2004-07-08
JP2004190673A5 true JP2004190673A5 (enrdf_load_stackoverflow) 2007-01-25
JP3977798B2 JP3977798B2 (ja) 2007-09-19

Family

ID=32312280

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003406756A Expired - Lifetime JP3977798B2 (ja) 2002-12-06 2003-12-05 タービンロータ用のバケットダブテール設計

Country Status (4)

Country Link
US (1) US6840740B2 (enrdf_load_stackoverflow)
EP (1) EP1426556B1 (enrdf_load_stackoverflow)
JP (1) JP3977798B2 (enrdf_load_stackoverflow)
KR (1) KR100868391B1 (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7387494B2 (en) * 2005-04-28 2008-06-17 General Electric Company Finger dovetail attachment between a turbine rotor wheel and bucket for stress reduction
US20100278652A1 (en) * 2009-04-29 2010-11-04 General Electric Company Tangential entry dovetail cantilever load sharing
US8651820B2 (en) 2010-07-14 2014-02-18 General Electric Company Dovetail connection for turbine rotating blade and rotor wheel
KR101376716B1 (ko) 2010-11-02 2014-03-20 두산중공업 주식회사 터빈용 로터와 버킷의 결합구조 및 그 냉간조립 방법
US10036261B2 (en) 2012-04-30 2018-07-31 United Technologies Corporation Blade dovetail bottom
WO2014158447A1 (en) 2013-03-12 2014-10-02 United Technologies Corporation Fan blade dovetail and spacer
RU2609126C2 (ru) * 2014-10-02 2017-01-30 Закрытое акционерное общество "Уральский турбинный завод" Хвостовики рабочих лопаток с натягом

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2036083A (en) * 1934-12-24 1936-03-31 Gen Electric Bucket wheel
DE659182C (de) * 1935-05-31 1938-04-28 Asea Ab Befestigung der Schaufeln an Turbinenraedern
US2315616A (en) * 1942-01-28 1943-04-06 Westinghouse Electric & Mfg Co Turbine blade locking piece
US2844355A (en) * 1954-05-19 1958-07-22 Gen Electric Turbine bucket wheel
US4480957A (en) 1983-04-14 1984-11-06 General Electric Company Dynamic response modification and stress reduction in dovetail and blade assembly
US4572980A (en) 1984-03-08 1986-02-25 General Electric Company Stator core for large electric generator with dual dovetail slots for engaging wedges
US4702673A (en) * 1985-10-18 1987-10-27 General Electric Company Method for assembly of tangential entry dovetailed bucket assemblies on a turbomachine bucket wheel
US4837471A (en) 1987-10-23 1989-06-06 General Electric Company Dynamoelectric machine stator using cylindrical keybar with improved dovetail configuration
US5340280A (en) 1991-09-30 1994-08-23 General Electric Company Dovetail attachment for composite blade and method for making
US5310317A (en) 1992-08-11 1994-05-10 General Electric Company Quadra-tang dovetail blade
US5257909A (en) 1992-08-17 1993-11-02 General Electric Company Dovetail sealing device for axial dovetail rotor blades
US5318405A (en) 1993-03-17 1994-06-07 General Electric Company Turbine disk interstage seal anti-rotation key through disk dovetail slot
US5310318A (en) 1993-07-21 1994-05-10 General Electric Company Asymmetric axial dovetail and rotor disk
US5494408A (en) 1994-10-12 1996-02-27 General Electric Co. Bucket to wheel dovetail design for turbine rotors
US5474423A (en) 1994-10-12 1995-12-12 General Electric Co. Bucket and wheel dovetail design for turbine rotors
US5531569A (en) 1994-12-08 1996-07-02 General Electric Company Bucket to wheel dovetail design for turbine rotors
US6142737A (en) 1998-08-26 2000-11-07 General Electric Co. Bucket and wheel dovetail design for turbine rotors
US6030178A (en) 1998-09-14 2000-02-29 General Electric Co. Axial entry dovetail segment for securing a closure bucket to a turbine wheel and methods of installation
US6033185A (en) 1998-09-28 2000-03-07 General Electric Company Stress relieved dovetail
US6168382B1 (en) 1998-10-20 2001-01-02 General Electric Co. Turbine rotor wheel with forged replacement dovetail and method of repair
EP1028232A1 (de) * 1999-02-12 2000-08-16 ABB Alstom Power (Schweiz) AG Befestigung von Laufschaufeln einer Strömungsmaschine
US6364613B1 (en) 2000-08-15 2002-04-02 General Electric Company Hollow finger dovetail pin and method of bucket attachment using the same
US6428279B1 (en) 2000-12-22 2002-08-06 General Electric Company Low windage loss, light weight closure bucket design and related method
US6435834B1 (en) 2001-01-31 2002-08-20 General Electric Company Bucket and wheel dovetail connection for turbine rotors
US6435833B1 (en) 2001-01-31 2002-08-20 General Electric Company Bucket and wheel dovetail connection for turbine rotors

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